Finding the Fourth Proportional to 1,202,134.26, 1,658,965.68 and 658,261.38
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Solution
The fourth proportional to 1,202,134.26, 1,658,965.68 and 658,261.38 is: 908,411.88
Step by Step Solution
- Step 1: Write the proportion equation
1,202,134.26 : 1,658,965.68 = 658,261.38 : x - Step 2: Convert to fraction form
1,202,134.26/1,658,965.68 = 658,261.38/x - Step 3: Cross multiply
1,202,134.26x = 1,658,965.68 × 658,261.38 - Step 4: Simplify right side
1,202,134.26x = 1,092,033,037,889.44 - Step 5: Solve for x
x = 1,092,033,037,889.44/1,202,134.26 - Step 6: Final answer
x = 908,411.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.